1126 FZ delicately adjusted to descend uniformly a wf once set In motion, the value of c; Is the I1} a** *it j* i^f* and the usual set of curves may be con*trut*tetL Thr taken as H plus weight of screw, the P,: W the origin. ; CHAPTER 1* ' Pp. 58? and 8jg* The Platinum mometen—It was Sir William who firm temperature by the strutting his resistance thermometer In 1871. in finding a material that would not with and ature led to the instrument until it* improvement by Callendar and who a wire shielded so as to the of The resistance-measuring hat alto U Spmfic. This term. "I - of any particular material, and is t§ the in |l of a i r the temperature j2e M • ! of temperature, •ijS ' RI -'iRatH-tt/0) ;i i . where a is the liii ha» j;. , the value as the of gas (p. to I ' ' the ^ero of Si the nf i : . temperature and at that are in fig, ff|t and i ; • nf \ . ' will as an of . . * fi§» 996 it of A wire ; ii to a i and P» ta . f. . • .' ' i »a •» be • Hie ;: . ' • • ( tto wiS be it wd a Tte tarn it'